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https://issues.apache.org/jira/browse/NETBEANS-2956?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16913003#comment-16913003
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Jan Lahoda commented on NETBEANS-2956:
--------------------------------------
[~Furrer] - Very much appreciated that you've found the case where this breaks,
I think it is very useful. Even if it is not directly fixable in this project,
if this is fixed in OpenJDK, then it should work better for NetBeans, and
should help to assure it won't reappear. Are you OK with me reporting this to
OpenJDK? Thanks!
> AssertionError during background scan of a Java 12 project
> ----------------------------------------------------------
>
> Key: NETBEANS-2956
> URL: https://issues.apache.org/jira/browse/NETBEANS-2956
> Project: NetBeans
> Issue Type: Bug
> Affects Versions: 11.0, 11.1
> Reporter: Travis
> Assignee: Travis
> Priority: Major
> Attachments: netbeans-2956-test-project.zip
>
>
> It seems that there are still some tricky bugs lurking in Netbeans when
> running with Java 12 projects open.
>
> My environment is:
> Netbeans 11.1 <-- a totally fresh installation, no plugins installed (not
> even nb-javac)
> OpenJDK 12 <-- Netbeans is running on this JDK, and also my project is built
> using this JDK
> Gradle 5.5
> Windows 10
>
> During background scan of the attached project, I get the following
> exception:
> java.lang.AssertionError: Analyzer error when processing: container.drink(new
> FooBuilder<Bat>(slug).matches(bug));java.lang.AssertionError: Analyzer error
> when processing: container.drink(new FooBuilder<Bat>(slug).matches(bug)); at
> jdk.compiler/com.sun.tools.javac.util.Assert.error(Assert.java:162) at
> jdk.compiler/com.sun.tools.javac.comp.Analyzer.doAnalysis(Analyzer.java:568)
> at jdk.compiler/com.sun.tools.javac.comp.Analyzer$2.flush(Analyzer.java:539)
> at jdk.compiler/com.sun.tools.javac.comp.Analyzer.flush(Analyzer.java:576) at
> jdk.compiler/com.sun.tools.javac.main.JavaCompiler.flow(JavaCompiler.java:1407)
> at
> jdk.compiler/com.sun.tools.javac.main.JavaCompiler.flow(JavaCompiler.java:1375)
> at
> jdk.compiler/com.sun.tools.javac.api.JavacTaskImpl$1.process(JavacTaskImpl.java:396)
> at
> jdk.compiler/com.sun.tools.javac.api.JavacTaskImpl$Filter.run(JavacTaskImpl.java:506)
> at
> jdk.compiler/com.sun.tools.javac.api.JavacTaskImpl.analyze(JavacTaskImpl.java:399)[catch]
> at
> org.netbeans.modules.java.source.indexing.VanillaCompileWorker.compile(VanillaCompileWorker.java:245)
> at
> org.netbeans.modules.java.source.indexing.JavaCustomIndexer.index(JavaCustomIndexer.java:361)
> at
> org.netbeans.modules.parsing.spi.indexing.Indexable$MyAccessor$2.run(Indexable.java:138)
> at
> org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater.runIndexer(RepositoryUpdater.java:275)
> at
> org.netbeans.modules.parsing.spi.indexing.Indexable$MyAccessor.index(Indexable.java:136)
> at
> org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.doIndex(RepositoryUpdater.java:2750)
> at
> org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.access$800(RepositoryUpdater.java:2154)
> at
> org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work$1.run(RepositoryUpdater.java:2636)
> at
> org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work$1.run(RepositoryUpdater.java:2634)
> at
> org.netbeans.modules.parsing.impl.indexing.errors.TaskCache.refreshTransaction(TaskCache.java:540)
> at
> org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.index(RepositoryUpdater.java:2634)
> at
> org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work$3.call(RepositoryUpdater.java:3300)
> at
> org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work$3.call(RepositoryUpdater.java:3255)
> at
> org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$4.run(RepositoryUpdater.java:2127)
> at org.openide.util.lookup.Lookups.executeWith(Lookups.java:279) at
> org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater.runInContext(RepositoryUpdater.java:2123)
> at
> org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater.runInContext(RepositoryUpdater.java:2104)
> at
> org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater.access$1500(RepositoryUpdater.java:136)
> at
> org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.scanFiles(RepositoryUpdater.java:3255)
> at
> org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$FileListWork.getDone(RepositoryUpdater.java:3785)
> at
> org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.doTheWork(RepositoryUpdater.java:3420)
> at
> org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task._run(RepositoryUpdater.java:6183)
> at
> org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task.access$4300(RepositoryUpdater.java:5834)
> at
> org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task$2$1.run(RepositoryUpdater.java:6099)
> at org.openide.util.lookup.Lookups.executeWith(Lookups.java:279) at
> org.netbeans.modules.parsing.impl.RunWhenScanFinishedSupport.performScan(RunWhenScanFinishedSupport.java:83)
> at
> org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task$2.call(RepositoryUpdater.java:6095)
> at
> org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task$2.call(RepositoryUpdater.java:6091)
> at
> org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:153)
> at
> org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:335)
> at
> org.netbeans.modules.parsing.nb.DataObjectEnvFactory.runPriorityIO(DataObjectEnvFactory.java:118)
> at
> org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:67)
> at
> org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task.run(RepositoryUpdater.java:6091)
> at
> java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
> at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at
> org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1418) at
> org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:45)
> at org.openide.util.lookup.Lookups.executeWith(Lookups.java:278) at
> org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033)
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